public SingleSelectWrapper(IArray2d <T> source, Kernel <T, R> kernel)
{
_source = source ?? throw new ArgumentNullException(nameof(source));
_kernel = kernel ?? throw new ArgumentNullException(nameof(kernel));
_h = source.GetLength(0);
_w = source.GetLength(1);
_km = KernelMeasure.Measure(kernel);
if (source is IRelQueryableArray2d <T> rqa)
{
if (rqa.BoundOptions[BoundsDirection.Top] != Bounds.Skip)
{
_km.xmin = 0;
}
if (rqa.BoundOptions[BoundsDirection.Bottom] != Bounds.Skip)
{
_km.xmax = 0;
}
if (rqa.BoundOptions[BoundsDirection.Left] != Bounds.Skip)
{
_km.ymin = 0;
}
if (rqa.BoundOptions[BoundsDirection.Right] != Bounds.Skip)
{
_km.ymax = 0;
}
}
}
public Cell(IArray2d <T> array, int x, int y)
{
_array = array ?? throw new ArgumentNullException(nameof(array));
_h = array.GetLength(0);
_w = array.GetLength(1);
_x = x; _y = y;
}
public DualSelectWrapper(IArray2d <T> left, IArray2d <A> right, Expression <Func <ICell <T>, ICell <A>, R> > kernel)
{
_left = left ?? throw new ArgumentNullException(nameof(left));
_right = right ?? throw new ArgumentNullException(nameof(right));
_kernel = kernel ?? throw new ArgumentNullException(nameof(kernel));
_compiledKernel = _kernel.Compile();
_h = Min(left.GetLength(0), right.GetLength(0));
_w = Min(left.GetLength(1), right.GetLength(1));
_km = new KernelMeasure();
var km1 = new KernelMeasure <T>(_km);
var km2 = new KernelMeasure <A>(_km);
_compiledKernel(km1, km2);
}
public RecurrentSelectWrapper(IArray2d <T> source, Func <ICell <T>, ICell <R>, R> kernel)
{
_source = source ?? throw new ArgumentNullException(nameof(source));
_kernel = kernel ?? throw new ArgumentNullException(nameof(kernel));
_h = source.GetLength(0);
_w = source.GetLength(1);
var m = new KernelMeasure();
var km1 = new KernelMeasure <T>(m);
var km2 = new KernelMeasure <R>(m);
kernel(km1, km2);
_xmin = m.xmin;
_xmax = m.xmax;
_ymin = m.ymin;
_ymax = m.ymax;
}
public static T Max <T>(this IArray2d <T> source)
where T : IComparable <T>
{
T max = source[0, 0];
int height = source.GetLength(0);
int width = source.GetLength(1);
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
if (max.CompareTo(source[i, j]) < 0)
{
max = source[i, j];
}
}
}
return(max);
}
public DualSelectWrapper(IArray2d <T> left, IArray2d <A> right, Func <ICell <T>, ICell <A>, R> kernel)
{
_left = left ?? throw new ArgumentNullException(nameof(left));
_right = right ?? throw new ArgumentNullException(nameof(right));
_kernel = kernel ?? throw new ArgumentNullException(nameof(kernel));
_h = Math.Min(left.GetLength(0), right.GetLength(0));
_w = Math.Min(left.GetLength(1), right.GetLength(1));
var m = new KernelMeasure();
var km1 = new KernelMeasure <T>(m);
var km2 = new KernelMeasure <A>(m);
kernel(km1, km2);
_xmin = m.xmin;
_xmax = m.xmax;
_ymin = m.ymin;
_ymax = m.ymax;
}
//public static IQueryableArray2d<T> AsDirect<T>(this IArray2d<T> source) => new ArrayWrapper<T>(source); public static IRelQueryableArray2d <T> AsRelative <T>(this IArray2d <T> source, BoundOptions bounds) => source.Wrap(bounds);
public static ArrayWrapper <T> Wrap <T>(this IArray2d <T> array, BoundOptions bounds) => new ArrayWrapper <T>(array, bounds);
public Cell(IArray2d <T> array) : this(array, 0, 0)
{
}
private readonly T[] _data; // temporary public
public FastArray2d(IArray2d size) : this(size.GetLength(0), size.GetLength(1))
{
}